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x2.72m.6. A lotus is 2m above the water in a pond. Due to wind the lotus slides on the side andonly the stem completely submerges in the water at a distance of 10m from theoriginal position. Find the depth of water in the pond. |
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Answer» Let the depth of the pond BC bexm. ∴CA = CD = (x+ 2) m In right ∆BCD, CD^2= BC^2+ BD^2 ⇒ (x+ 2)^2=x^2+ (10)^2 ⇒x^2+ 4x+ 4 =x^2+ 100 ⇒ 4x= 96 ⇒x= 24 Thus, the depth of the pond is 24 m. please send figure tq |
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